Privacy Stewards of Ethereum

# Private Transfers User Research As part of an effort to find technical problems in the private transfers space, we conducted 38 user interviews with teams working in the ecosystem. This work was undertaken by the Private Transfers Engineering team. Private Transfers Engineering is part of the Private Writes team in PSE. The team was created in November 2025, and we've spent t...

**Summary**: Merkle trees are widely used in revocation systems for verifiable credentials, particularly in blockchain and smart contract contexts. They enable efficient and privacy-preserving revocation through two main approaches: membership proofs in a list of valid credentials and non-membership proofs in a list of revoked credentials. Benchmarks indicate that while membersh...